“The electron shuffle: Cerium influences samarium 4f orbital occupancy in heteronuclear Ce-Sm oxide clusters,” Jared O. Kafader, Josey E. Topolski, Vicmarie Marerro Colon, Srinivasan Iyengar, and Caroline Chick Jarrold, Journal of Chemical Physics, 146, 194310 1-13 (2017) .https://doi.org/10.1063/1.4983335